百度试题 结果1 题目Find the cross product of v=(2,-1,3) and w=(1,0,-5).相关知识点: 试题来源: 解析 (5,13,1) 反馈 收藏
a* b=(vmatrix) i&\ j&k 1&\ 3&-2 -1&\ 0&5(vmatrix) =(vmatrix) 3&-2 0&5(vmatrix) i-(vmatrix) 1&-2 -1&5(vmatrix) j+(vmatrix) 1&3 -1&0(vmatrix) k\;\;\;\;\;\;\;\;=(15-0)i-(5-2)j+[0-(-3)]k=15i-3j+3kSince (a* b)⋅ a=(15i-3j+3k)⋅ (i+...
1. When you complete a cross product between two vectors, what is the nature of the result you get? The result is a vector. The result is a scalar. The result can either be a vector or a scalar. The result is both a vector and a scalar. ...
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Answer to: Find the vertical component, b, of vector v. By signing up, you'll get thousands of step-by-step solutions to your homework questions...
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println("u X v : " + uvi + "i +" + uvj + "j+ " + uvk + "k "); } } Output: $ javac Cross_Product.java $ java Cross_Product The cross product of the 2 vectors u = 3i + 8j + 9k and v = 3i + 8j + 9k u X v : -2i +48j+ -42k Sanfoundry Global Education &...
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